新型含Cu管线钢——提高管线耐微生物腐蚀性能的新途径

杨柯,史显波,严伟,曾云鹏,单以银,任毅

Novel Cu-Bearing Pipeline Steels: A New Strategy to Improve Resistance to Microbiologically Influenced Corrosion for Pipeline Steels

Ke YANG,Xianbo SHI,Wei YAN,Yunpeng ZENG,Yiyin SHAN,Yi REN

表1 新型含Cu管线钢和传统商用管线钢的化学成分分析结果 (mass fraction / %)

Table 1 Analyzed chemical compositions of novel Cu-bearing and traditional commercial pipeline steels

Steel C Si Mn Cu Mo Cr Ni Nb+V+Ti S P Fe X80-Cu 0.031 0.13 1.09 1.06 0.31 0.32 0.32 0.05 0.0011 0.005 Bal. X80 0.050 0.16 1.77 0.20 0.30 0.31 0.30 0.10 0.0010 0.005 Bal. X65-Cu 0.022 0.12 0.07 1.34 0.10 - 0.30 0.06 0.0020 0.005 Bal. X65 0.060 0.13 1.64 0.01 0.10 - - 0.06 0.0010 0.010 Bal.